Messages in this thread Patch in this message | | | From | Tony Luck <> | Subject | [PATCH v11 7/7] x86/sgx: Add check for SGX pages to ghes_do_memory_failure() | Date | Tue, 26 Oct 2021 15:00:50 -0700 |
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SGX EPC pages do not have a "struct page" associated with them so the pfn_valid() sanity check fails and results in a warning message to the console.
Add an additional check to skip the warning if the address of the error is in an SGX EPC page.
Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org> Tested-by: Reinette Chatre <reinette.chatre@intel.com> Signed-off-by: Tony Luck <tony.luck@intel.com> --- drivers/acpi/apei/ghes.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/acpi/apei/ghes.c b/drivers/acpi/apei/ghes.c index 0c8330ed1ffd..0c5c9acc6254 100644 --- a/drivers/acpi/apei/ghes.c +++ b/drivers/acpi/apei/ghes.c @@ -449,7 +449,7 @@ static bool ghes_do_memory_failure(u64 physical_addr, int flags) return false; pfn = PHYS_PFN(physical_addr); - if (!pfn_valid(pfn)) { + if (!pfn_valid(pfn) && !arch_is_platform_page(physical_addr)) { pr_warn_ratelimited(FW_WARN GHES_PFX "Invalid address in generic error data: %#llx\n", physical_addr); -- 2.31.1
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